title: CT and chronic daily headache.
authors.forename: Keith
authors.initials: K
authors.lastname: Hopcroft
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Davenport
mesh_terms: D003362:Cost-Benefit Analysis; D020773:Headache Disorders / Q000000981:diagnostic imaging* / Q000191:economics / Q000209:etiology; D006801:Humans; D017060:Patient Satisfaction; D014057:Tomography, X-Ray Computed / Q000191:economics / Q000379:methods*